1. Regional Research Center Hideyo Noguchi, Universidad Autonoma de Yucatan, Merida, Mexico;
2. Department of Epidemiology, College of Public Health and Health Professions and College of Medicine, University of Florida, Gainesville, Florida;
3. State Public Health Laboratory, Ministry of Health, Merida, Mexico;
4. Department of Biostatistics, College of Public Health and Health Professions and College of Medicine, University of Florida, Gainesville, Florida;
5. Department of Biostatistics, University of Washington, Seattle, Washington;
6. Center for Inference and Dynamics of Infectious Diseases, Fred Hutchinson Cancer Research Center, Seattle, Washington;
7. Collaborative Unit for Entomological Bioassays, Universidad Autonoma de Yucatan, Merida, Mexico;
8. National Institute of Public Health, Cuernavaca, Mexico